Alt St. Johann Snow Forecast - 7 day
Updated 20 September 2026 12:47 PDT
7-Day Snow Forecast for Alt St. Johann
1-week from 20 September.
For Forecast detail, see below.
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Alt St. Johann 7-Day Snow Forecast Highlights
When will there be fresh snow in Alt St. Johann?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Alt St. Johann. |
7-Day Snow Outlook for Alt St. Johann
Snowfall
Snow Line
Max 72°F
Min 42°F
Snow unlikely
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Alt St. Johann Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 72°F
Min 52°F
Valley temperatures from an overnight low of 52°F to daytime highs around 72°F
Temperature at BaseTemp at Base
Sun
20
Snow unlikely
Clear spells first, fair then cloudy, fair later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 65°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Fair early, then cloudy later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 61°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 61°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Clear spells early, then clear sky later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 66°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 66°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Clear sky.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 62°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 62°F
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Fair early, then light drizzle later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 62°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 62°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Clear sky.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 72°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 72°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Clear sky.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
No significant snowfall is forecast for this period.
This Snow Forecast for Alt St. Johann, Switzerland gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Alt St. Johann, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Alt St. Johann Snow Forecast updated at 12:47 PDT, next update expected 18:00 PDT.
Snow Forecast near Alt St. Johann
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Flims | - | 1in |
Snow Reliability
The snow reliability at Alt St. Johann is generally good, with average snow depths often reaching between 50 to 150 cm during peak season. For the latest snow conditions and updates, check J2Ski for accurate and timely information.